Heat wave, ancient rude graffiti and more world news 1-20-13

January 20, 2013 |By JAKE ELLISON

AP

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Vice President Joe Biden takes the oath of office during the 57th Presidential Inauguration official swearing-in ceremony at the Naval Observatory on Sunday in Washington. The oath is administered by US Supreme Court Justice Sonia Sotomayor.

AP

5of99

Vice President Joe Biden takes the oath of office during the 57th Presidential Inauguration official swearing-in ceremony at the Naval Observatory on Sunday in Washington. The oath is administered by US Supreme Court Justice Sonia Sotomayor.